North Korea fired an unidentified projectile toward the East Sea on Saturday, South Korea's Joint Chiefs of Staff said.
The military said it detected the launch Saturday morning, without immediately providing further details.
The number and type of projectiles, as well as the launch location and flight distance, were not immediately known.
The latest launch comes less than two weeks after North Korea fired two short-range ballistic missiles from the Wonsan area toward the East Sea on Sept. 20. The missiles flew about 450 kilometers and more than 600 kilometers, respectively.
If Saturday's projectile is confirmed to be a ballistic missile, it would mark North Korea's 15th ballistic missile launch this year.
The launch also came a day after Kim Yo-jong, the powerful sister of North Korean leader Kim Jong-un, again emphasized Pyongyang's severance of ties with Seoul.
Kim said Friday that North Korea's border fortification work was aimed at "shutting down the door forever" so that it would have nothing to do with South Korea, reiterating that Pyongyang seeks to "cut off the relationship forever" with the South.
She also rejected Unification Minister Chung Dong-young's proposal for talks over the Military Demarcation Line, saying North Korea would leave no room for contact with South Korea and describing any encounter with the South as "a nightmare."
flylikekite@heraldcorp.com
